[SyncFS] Add RemoteToLocalSyncer skeleton

chrome/browser/sync_file_system/drive_backend/sync_engine.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_ENGINE_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_ENGINE_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
@@ skipping 99 matching lines @@
   virtual void OnReadyToSendRequests() OVERRIDE;
   virtual void OnRefreshTokenInvalid() OVERRIDE;
 
   // net::NetworkChangeNotifier::NetworkChangeObserver overrides.
   virtual void OnNetworkChanged(
       net::NetworkChangeNotifier::ConnectionType type) OVERRIDE;
 
   // SyncEngineContext overrides.
   virtual drive::DriveServiceInterface* GetDriveService() OVERRIDE;
   virtual MetadataDatabase* GetMetadataDatabase() OVERRIDE;
+  virtual RemoteChangeProcessor* GetRemoteChangeProcessor() OVERRIDE;
 
  private:
   void DoDisableApp(const std::string& app_id,
                     const SyncStatusCallback& callback);
   void DoEnableApp(const std::string& app_id,
                    const SyncStatusCallback& callback);
 
   void DidInitialize(SyncEngineInitializer* initializer,
                      SyncStatusCode status);
   void DidProcessRemoteChange(RemoteToLocalSyncer* syncer,
@@ skipping 43 matching lines @@
 
   base::WeakPtrFactory<SyncEngine> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncEngine);
 };
 
 }  // namespace drive_backend
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_ENGINE_H_